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<html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968" /><title>The mac80211 subsystem for kernel developers</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2" /><meta name="description" content=" mac80211 is the Linux stack for 802.11 hardware that implements only partial functionality in hard- or firmware. This document defines the interface between mac80211 and low-level hardware drivers. If you're reading this document and not the header file itself, it will be incomplete because not all documentation has been converted yet." /><link rel="home" href="index.html" title="The mac80211 subsystem for kernel developers" /><link rel="next" href="pt01.html" title="Part I. The basic mac80211 driver interface" /></head><body><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center">The mac80211 subsystem for kernel developers</th></tr><tr><td width="20%" align="left"> </td><th width="60%" align="center"> </th><td width="20%" align="right"> <a accesskey="n" href="pt01.html">Next</a></td></tr></table><hr /></div><div class="book" title="The mac80211 subsystem for kernel developers"><div class="titlepage"><div><div><h1 class="title"><a id="mac80211-developers-guide"></a>The mac80211 subsystem for kernel developers</h1></div><div><div class="authorgroup"><div class="author"><h3 class="author"><span class="firstname">Johannes</span> <span class="surname">Berg</span></h3><div class="affiliation"><div class="address"><p><code class="email"><<a class="email" href="mailto:johannes@sipsolutions.net">johannes@sipsolutions.net</a>></code></p></div></div></div></div></div><div><p class="copyright">Copyright © 2007-2009 Johannes Berg</p></div><div><div class="legalnotice" title="Legal Notice"><a id="id2696075"></a><p>
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License version 2 as published by the Free Software Foundation.
</p><p>
This documentation is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
</p><p>
You should have received a copy of the GNU General Public
License along with this documentation; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
</p><p>
For more details see the file COPYING in the source
distribution of Linux.
</p></div></div><div><div class="abstract" title="Abstract"><p class="title"><b>Abstract</b></p><p>
</p><p>
mac80211 is the Linux stack for 802.11 hardware that implements
only partial functionality in hard- or firmware. This document
defines the interface between mac80211 and low-level hardware
drivers.
</p><p>
</p><p>
If you're reading this document and not the header file itself, it will
be incomplete because not all documentation has been converted yet.
</p></div></div></div><hr /></div><div class="toc"><p><b>Table of Contents</b></p><dl><dt><span class="part"><a href="pt01.html">I. The basic mac80211 driver interface</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch01.html">1. Basic hardware handling</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re01.html"><span>struct ieee80211_hw</span></a></span><span class="refpurpose"> —
hardware information and state
</span></dt><dt><span class="refentrytitle"><a href="re02.html"><span>enum ieee80211_hw_flags</span></a></span><span class="refpurpose"> —
hardware flags
</span></dt><dt><span class="refentrytitle"><a href="re03.html"><span>SET_IEEE80211_DEV</span></a></span><span class="refpurpose"> —
set device for 802.11 hardware
</span></dt><dt><span class="refentrytitle"><a href="re04.html"><span>SET_IEEE80211_PERM_ADDR</span></a></span><span class="refpurpose"> —
set the permanent MAC address for 802.11 hardware
</span></dt><dt><span class="refentrytitle"><a href="re05.html"><span>struct ieee80211_ops</span></a></span><span class="refpurpose"> —
callbacks from mac80211 to the driver
</span></dt><dt><span class="refentrytitle"><a href="re06.html"><span>ieee80211_alloc_hw</span></a></span><span class="refpurpose"> —
Allocate a new hardware device
</span></dt><dt><span class="refentrytitle"><a href="re07.html"><span>ieee80211_register_hw</span></a></span><span class="refpurpose"> —
Register hardware device
</span></dt><dt><span class="refentrytitle"><a href="re08.html"><span>ieee80211_get_tx_led_name</span></a></span><span class="refpurpose"> —
get name of TX LED
</span></dt><dt><span class="refentrytitle"><a href="re09.html"><span>ieee80211_get_rx_led_name</span></a></span><span class="refpurpose"> —
get name of RX LED
</span></dt><dt><span class="refentrytitle"><a href="re10.html"><span>ieee80211_get_assoc_led_name</span></a></span><span class="refpurpose"> —
get name of association LED
</span></dt><dt><span class="refentrytitle"><a href="re11.html"><span>ieee80211_get_radio_led_name</span></a></span><span class="refpurpose"> —
get name of radio LED
</span></dt><dt><span class="refentrytitle"><a href="re12.html"><span>ieee80211_unregister_hw</span></a></span><span class="refpurpose"> —
Unregister a hardware device
</span></dt><dt><span class="refentrytitle"><a href="re13.html"><span>ieee80211_free_hw</span></a></span><span class="refpurpose"> —
free hardware descriptor
</span></dt></dl></dd><dt><span class="chapter"><a href="ch02.html">2. PHY configuration</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re14.html"><span>struct ieee80211_conf</span></a></span><span class="refpurpose"> —
configuration of the device
</span></dt><dt><span class="refentrytitle"><a href="re15.html"><span>enum ieee80211_conf_flags</span></a></span><span class="refpurpose"> —
configuration flags
</span></dt></dl></dd><dt><span class="chapter"><a href="ch03.html">3. Virtual interfaces</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re16.html"><span>struct ieee80211_if_init_conf</span></a></span><span class="refpurpose"> —
initial configuration of an interface
</span></dt></dl></dd><dt><span class="chapter"><a href="ch04.html">4. Receive and transmit processing</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch04.html#id2707444">what should be here</a></span></dt><dt><span class="sect1"><a href="ch04s02.html">Frame format</a></span></dt><dt><span class="sect1"><a href="ch04s03.html">Packet alignment</a></span></dt><dt><span class="sect1"><a href="ch04s04.html">Calling into mac80211 from interrupts</a></span></dt><dt><span class="sect1"><a href="ch04s05.html">functions/definitions</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch05.html">5. Frame filtering</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re33.html"><span>enum ieee80211_filter_flags</span></a></span><span class="refpurpose"> —
hardware filter flags
</span></dt></dl></dd></dl></dd><dt><span class="part"><a href="pt02.html">II. Advanced driver interface</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch06.html">6. Hardware crypto acceleration</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re34.html"><span>enum set_key_cmd</span></a></span><span class="refpurpose"> —
key command
</span></dt><dt><span class="refentrytitle"><a href="re35.html"><span>struct ieee80211_key_conf</span></a></span><span class="refpurpose"> —
key information
</span></dt><dt><span class="refentrytitle"><a href="re36.html"><span>enum ieee80211_key_alg</span></a></span><span class="refpurpose"> —
key algorithm
</span></dt><dt><span class="refentrytitle"><a href="re37.html"><span>enum ieee80211_key_flags</span></a></span><span class="refpurpose"> —
key flags
</span></dt></dl></dd><dt><span class="chapter"><a href="ch07.html">7. Powersave support</a></span></dt><dt><span class="chapter"><a href="ch08.html">8. Beacon filter support</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re38.html"><span>ieee80211_beacon_loss</span></a></span><span class="refpurpose"> —
inform hardware does not receive beacons
</span></dt></dl></dd><dt><span class="chapter"><a href="ch09.html">9. Multiple queues and QoS support</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re39.html"><span>struct ieee80211_tx_queue_params</span></a></span><span class="refpurpose"> —
transmit queue configuration
</span></dt><dt><span class="refentrytitle"><a href="re40.html"><span>struct ieee80211_tx_queue_stats</span></a></span><span class="refpurpose"> —
transmit queue statistics
</span></dt></dl></dd><dt><span class="chapter"><a href="ch10.html">10. Access point mode support</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re41.html"><span>ieee80211_get_buffered_bc</span></a></span><span class="refpurpose"> —
accessing buffered broadcast and multicast frames
</span></dt><dt><span class="refentrytitle"><a href="re42.html"><span>ieee80211_beacon_get</span></a></span><span class="refpurpose"> —
beacon generation function
</span></dt></dl></dd><dt><span class="chapter"><a href="ch11.html">11. Supporting multiple virtual interfaces</a></span></dt><dt><span class="chapter"><a href="ch12.html">12. Hardware scan offload</a></span></dt><dd><dl><dt><span class="refentrytitle"><a href="re43.html"><span>ieee80211_scan_completed</span></a></span><span class="refpurpose"> —
completed hardware scan
</span></dt></dl></dd></dl></dd><dt><span class="part"><a href="pt03.html">III. Rate control interface</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch13.html">13. dummy chapter</a></span></dt></dl></dd><dt><span class="part"><a href="pt04.html">IV. Internals</a></span></dt><dd><dl><dt><span class="chapter"><a href="ch14.html">14. Key handling</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch14.html#id2712584">Key handling basics</a></span></dt><dt><span class="sect1"><a href="ch14s02.html">MORE TBD</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch15.html">15. Receive processing</a></span></dt><dt><span class="chapter"><a href="ch16.html">16. Transmit processing</a></span></dt><dt><span class="chapter"><a href="ch17.html">17. Station info handling</a></span></dt><dd><dl><dt><span class="sect1"><a href="ch17.html#id2712670">Programming information</a></span></dt><dt><span class="sect1"><a href="ch17s02.html">STA information lifetime rules</a></span></dt></dl></dd><dt><span class="chapter"><a href="ch18.html">18. Synchronisation</a></span></dt></dl></dd></dl></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"> </td><td width="20%" align="center"> </td><td width="40%" align="right"> <a accesskey="n" href="pt01.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"> </td><td width="20%" align="center"> </td><td width="40%" align="right" valign="top"> Part I. The basic mac80211 driver interface</td></tr></table></div></body></html>
